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Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## master #9156 +/- ##
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Coverage 99.11% 99.11%
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Files 139 140 +1
Lines 4071 4089 +18
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+ Hits 4035 4053 +18
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Active Admin pages render only ActiveAdmin.importmap and import only its active_admin entry point, so a module pinned in the host's importmap loads nothing. Themes and plugins copied _html_head to add their imports. Co-Authored-By: Clanker
The setting default is one shared array, so appending to it leaked into every later Application. Co-Authored-By: Clanker
Co-Authored-By: Clanker
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Importmap::Map#cache_sweeper(watches:) builds a new watcher on each call, so an engine that passed its own directory replaced ActiveAdmin's. The sweeper is now built once in after_initialize from this list, which engines and config/initializers can extend. Co-Authored-By: Clanker
A request made from an earlier after_initialize hook ran before the sweeper existed. The spec now edits an existing file instead of relying on a new one, and restores the boot-time sweeper. Co-Authored-By: Clanker
The sweeper reads the list once in after_initialize, so a directory added later, for example from to_prepare, was silently never watched. Co-Authored-By: Clanker
builder_method runs when the component class loads, and nothing references the class constant, so autoloading never loads it before the register blocks that use it. Co-Authored-By: Clanker
Rails runs to_prepare blocks on the reloader, so a bare root is undefined there, and appends to importmap_watches made after after_initialize never reach the sweeper. Co-Authored-By: Clanker
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A plain frozen array already rejects late appends. The setting's comment now says to append from an initializer. Co-Authored-By: Clanker
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Documents how to add JavaScript to Active Admin pages from an engine and how to load custom Arbre components.
Depends on #9148 and on #9153. This branch contains their commits; only the last two commits belong to this PR. I'll rebase it after they merge.
importmap_watches. It notes that Propshaft serves an engine'svendor/javascriptonly if the engine adds it to the asset paths.config.importmap_watchesfor modules that the host app pins, and says to append to it from an initializer because a later append raises.builder_methodmust load before the register blocks that use it. It recommends eager-loading the component directory inconfig.to_prepare, and requiring files underlib/from the same block.Part of #9147.